This Subcontract opportunity from Department Of Defense was posted on August 20, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Hydrographic Surveying (Single & Multi-Beam)

Closed

Federal

Submission Closed10/06/2026, 02:00:00 PM CDT

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 541370

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SLED

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City of Horseshoe Bay

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Land Surveying and Boundary MappingThis subcontract for Land Surveying and Boundary Mapping involves providing professional surveying services for prime contractors on projects within the Parish of Ascension, Louisiana. The selected provider will be responsible for defining property boundaries and affected parcels, as well as delivering technical surveying data, survey maps, boundary descriptions, and platting. These efforts will specifically support right-of-way and easement determinations through close coordination with appraisal and legal teams. To qualify for this engagement, the contractor must possess state professional surveyor licensure and utilize professional surveying equipment. The solicitation was posted on November 12, 2026, with a response deadline of December 17, 2026. The work falls under NAICS code 541370.

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GIS/GPS Mapping and Data ManagementThis subcontract for the City of Columbia in South Carolina focuses on GIS/GPS Mapping and Data Management to support prime contractors on utility projects. The selected provider will be responsible for collecting precise GPS coordinates of utility assets and updating GIS databases for an extensive network comprising 2,500 miles of water mains and 1,000 miles of sewer lines. The project requires the use of high-precision GPS receivers and ArcGIS software, demanding a high level of proficiency in spatial data standards. The final deliverables include updated GIS layers and comprehensive digital maps. Interested parties should note the response deadline of December 4, 2026.

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Utility Locating Services (Field Operations)This subcontract for Utility Locating Services involves performing field operations for prime contractors on City of Columbia utility projects in South Carolina. The selected provider will be responsible for responding to SC811 requests to physically locate and mark underground sewer lines and water mains. These tasks must be completed using ground-penetrating radar and electromagnetic locators while strictly adhering to City of Columbia utility standards and SC811 regulations. The project falls under NAICS code 541370 and requires the delivery of accurately marked utility locations on-site. Interested parties must submit their responses by the deadline of December 4, 2026, at 5:00 PM.

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DEADLINE

811 Utility Locate Services

Solicitation # RFP004-26-27-KDD

The City of Columbia is soliciting proposals for 811 Utility Locate Services to manage its utility locating program, which encompasses approximately 2,500 miles of water mains and 1,000 miles of sewer lines. The selected contractor will handle an average of 85,000 to 105,000 annual locate requests from SC811, with an expectation of completing roughly 25 percent of these tickets. Key performance requirements include responding to emergency and no-show requests generally within three hours and providing a positive response to SC811 within 72 hours. The contractor must also maintain detailed photo documentation of all markings indexed by ticket number and location. The initial contract term is six months, running through June 30, 2026, with options for one-year extensions. Proposals must be submitted via IonWave by December 4, 2026, and must not exceed 15 pages, excluding cover pages, resumes, and appendices. The evaluation process is based on a combined score from a technical response and interviews with key personnel. Award will be granted to the highest-ranked, responsive, and responsible contractor. Pricing is based on daily rates for a staff of 3 to 5 people, emergency rates for business and after-hours requests, and ticket scrubbing, with mileage reimbursed at GSA rates. Invoices must be submitted monthly and include a valid purchase order number.

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DLA WEAPONS SUPPORT ASC SUPPLIER OPER AE AND AF DIV

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Believe Housing Limited

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Geotechnical & Subsurface ExplorationThis subcontract for NJ Transit industrial projects involves providing geotechnical borings and subsurface investigations to support prime contractors. The selected provider will furnish all necessary labor and equipment to verify water levels and underlying strata in accordance with Section 02010, ultimately delivering a comprehensive subsurface exploration report and associated data. The opportunity is categorized under NAICS code 541370 and was posted on November 11, 2026. Interested parties must submit their responses by the deadline of December 22, 2026.

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Specialized Technical Testing and Tank CleaningThis subcontract for Specialized Technical Testing and Tank Cleaning supports prime contractors working on housing projects for The ExtraCare Charitable Trust. The scope of work focuses on technical analysis, monitoring, and specialized cleaning services, specifically regarding water supply and waste consultancy. Key deliverables include the performance of technical testing, comprehensive water quality analysis, and the provision of clean tank certifications and technical reports. The opportunity was posted on November 11, 2026, with a response deadline of December 7, 2026. Classified under NAICS code 541370, the contract ensures that essential water infrastructure within the trust's housing projects meets necessary safety and operational standards through expert consultancy and maintenance.

The Extracare Charitable Trust

POSTED

1 day ago

DEADLINE

in 25 days

AI Contract Overview

This subcontract opportunity involves providing hydrographic surveying services for prime contractors operating within the USACE Mobile District. The scope of work focuses on underwater mapping and depth sounding utilizing survey vessels equipped with GPS/GNSS positioning systems and both single-beam and multi-beam echo sounders. The primary deliverables for this engagement include depth contours, bathymetric charts, and underwater topographic maps. The project requires specialized personnel with a minimum of five years of experience to ensure technical accuracy. Falling under NAICS code 541370, this requirement is associated with the Department of Defense and the W074 Endist Mobile agency. Interested parties must submit their responses by October 6, 2026, for performance in the 36602 zip code area.

General Info

Hydrographic surveying services for USACE Mobile District, due October 6, 2026.

Agency

Department Of Defense → W074 Endist Mobile

NAICS

541370 - Surveying and Mapping (except Geophysical) Services

Place of Performance

AL, 36602

Set-Aside

NONE

Documents

This scope was carved out of W9127825RA084.

The full solicitation package (2 documents), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

IDIQ AE Surveying and Mapping Services

AI Contract Breakdown

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Timeline

PhaseClosed

PostedAug 20

subcontract

Response DeadlineOct 6

Deadline has passed

Submission Closed

10/06/2026, 02:00:00 PM CDT

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Organization & Contact Information

AgencyDepartment Of Defense → W074 Endist Mobile

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Defense → W074 Endist Mobile

Office AddressN/A

ContactsNo contact information available

Full Description

Performs underwater mapping and depth sounding for prime contractors on USACE Mobile District projects. Conducts bathymetric mapping using survey vessels equipped with single-beam and multi-beam echo sounders and GPS/GNSS positioning systems. Requires personnel with 5+ years of experience. Delivers bathymetric charts, depth contours, and underwater topographic maps.